Button.



No. 643.409. Patented Feb. l3, I900. A. HALL.

BUTTON.

(Application filed Mar. 17, 1899.) (No Model.)

WITNESSES INVENTOH 41/; Arron/ye):

Warren drarns ALBERT HALL, or NEW YORK, N. Y.,

ASSIGNOR OF ONE-THIRD TO DAVID H. MOORE, OF SAME PLACE.

BUTTON.

SPECIFICATION forming part of Letters lPatent No. 643,409, dated February 13, 1900. Applioation filed March 17, 1899. Serial No. 709,479. (No model.)

To ctZZ whmn it may concern:

Be it known that I, ALBERT HALL, a citizen of the United States,-and a resident of New York city, borough of Brooklyn, in the county of Kings and State of New York, have invented certain new and useful Improvements in Buttons, of which the following is a specification.

This invention relates to improvements in buttons, and especially to that class of buttons that are fastened by means of clampingprongs in contradistinction to buttons that are sewed on.

The object of my invention is to provide a new and improved button of this kind which is simple in construction, strong, durable, not expensive, and can be made entirely by machinery.

In the accompanying drawings, forming a part of this specification, and in which like letters of reference indicate like parts in all the views, Figure 1 is a perspective view of my improved button from the under side. Fig. 2 is a vertical transverse sectional view of the same. Fig. 3 is a perspective view of the shank portion. Fig. 4 is a face View of the out and punched blank for the shank.

A flat strip of sheet metal Alias notches or recesses a punched out of its bottom edge part to form equidistant pointed prongs B, and in its upper edges it is provided with slits b. The strip is cut into lengths of four prongs B on a line cl d midway between two prongs B, and the four prong-sections thus formed are bent into curved shape to form a cylindrical shank O, and the upper slitted parts of the shank thus formed are bent over outward at right angles to the shank to form four radial wings D,one centrally above each prong B. A sheetmetal cap or head E is placed centrally upon the shank C and its wings D, and the edge part of this cap or head is turned over on the under side of the same, so as to form a clamping-flange F, which clamps the outer ends of the wings D, and thus holds the head E securely and firmly on the shank, the head resting flat on said Wings. As the head rests flat on the wings D and on the upper end of the shank, it cannot be distorted by fastening the buttons on fabric by machinery.

To fasten the button,the prongsBare forced through the fabric and their ends upset or turned over toward the back of the button.

Having described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In a button, the combination with a tu-' bular shank having prongs, made integral therewith and extending from its bottom edge in line with the said shank, and which shank is provided at its top with radial wings, made integral therewith and projecting outward at right angles, of a button-head resting on said wings and abutting against the upper end of the shank, which Wings rest flat on the under side of the head, said head having its circu= lar edge part turned over on the under side to clamp and hold the outer ends of the radial wings on the shank, substantially as herein shown and described.

2. In a button, the combination with a tu-' bular shank having prongs made integral therewith and extending from its bottom edge part, in line therewith and which shank is provided at its topwith a radially-extending wing,at right angles with the axis of the shank, above each prong, the inner corners of each wing abutting against the corners of the adjacent wings and which wings are made integral with the shank, of a head resting flat on the said wings and abutting against the up per end of the shank and having its circular edge turned downward to the under side of said head to clamp the ends of the said wings, substantially as herein shown and described.

Signed at New York, borough of Brooklyn, in the county of Kings and State of New York, this 10th day of March, A. D. 1899.

ALBERT HALL.

Witnesses:

H. N. MEEKER, GEO. S. ESPENSCHEID. 

